»·±£ÐͼҾÓÓÃÆ·£º¾Û°±õ¥ÈíÅÝ´ß»¯¼Á(bdmaee)µÄÓ¦Óð¸Àý
»·±£ÐͼҾÓÓÃÆ·£º¾Û°±õ¥ÈíÅÝ´ß»¯¼Á(bdmaee)µÄÓ¦Óð¸Àý
Ò»¡¢Ç°ÑÔ£º»·±£¼Ò¾ÓµÄ¡°Ä»ºóÓ¢ÐÛ¡±
ÔÚµ±½ñÕâ¸ö¡°ÂÌÉ«À˳±¡±Ï¯¾íÈ«ÇòµÄʱ´ú£¬»·±£ÒѾ²»ÔÙÊǿںţ¬¶øÊÇʵʵÔÚÔÚµÄÉú»î·½Ê½¡£´Ó¿É½µ½â²Í¾ßµ½ÎÞ¶¾Í¿ÁÏ£¬´Ó½ÚÄܵÆÅݵ½µÍºÄµçÆ÷£¬»·±£ÐͼҾÓÓÃÆ·ÕýÒÔ¾ªÈ˵ÄËٶȸıä×ÅÎÒÃǵÄÉú»î¡£È»¶ø£¬ÔÚÕâЩ¿´ËÆÆÕͨµÄ¼Ò¾Ó²úÆ·±³ºó£¬ÓÐÒ»ÖÖÉñÆæµÄ»¯Ñ§ÎïÖÊÕýÔÚĬĬ·¢»Ó×Å×÷Ó᪡ªËü¾ÍÊǾ۰±õ¥ÈíÅÝ´ß»¯¼Ábdmaee£¨n,n,n’,n’-Ëļ׻ùÒÒ¶þ°·£©¡£±ð¿´ËüµÄÃû×ÖÓÖ³¤ÓÖÞÖ¿Ú£¬µ«Ëü¿ÉÊǼҾÓÓÃÆ·ÁìÓòµÄһλ¡°Ä»ºóÓ¢ÐÛ¡±¡£ÎÞÂÛÊÇÈáÈíÊæÊʵĴ²µæ£¬»¹ÊÇÇáÓ¯Í¸ÆøµÄɳ·¢µæ£¬¶¼Àë²»¿ªËüµÄ¹±Ïס£
ÄÇô£¬Ê²Ã´ÊÇbdmaee£¿ËüÓÖÊÇÈçºÎ°ïÖúÎÒÃÇ´òÔì¸ü»·±£¡¢¸ü½¡¿µµÄ¼Ò¾Ó»·¾³µÄÄØ£¿½ÓÏÂÀ´£¬ÈÃÎÒÃÇÒ»Æð½Ò¿ªÕâλ¡°Ä»ºóÓ¢ÐÛ¡±µÄÉñÃØÃæÉ´£¬Ì½Ë÷ËüÔÚ»·±£ÐͼҾÓÓÃÆ·ÖеÄÓ¦Óð¸Àý¡£
¶þ¡¢bdmaeeµÄ»ù±¾¸ÅÄîÓëÌØÐÔ
£¨Ò»£©Ê²Ã´ÊÇbdmaee£¿
bdmaee£¬È«³ÆÎªn,n,n’,n’-Ëļ׻ùÒÒ¶þ°·£¨bis(dimethylaminoethyl)ether£©£¬ÊÇÒ»ÖÖÓлú»¯ºÏÎ»¯Ñ§Ê½Îªc8h20n2o¡£ËüÊÇÒ»ÖÖ͸Ã÷ÒºÌ壬¾ßÓÐÇ¿Áҵݷ棬¹ã·ºÓÃ×÷¾Û°±õ¥ÅÝĵĴ߻¯¼Á¡£¼òµ¥À´Ëµ£¬bdmaeeµÄ×÷ÓÃÊǼÓËÙÒìÇèËáõ¥ºÍ¶àÔª´¼Ö®¼äµÄ·´Ó¦£¬´Ó¶ø´Ù½ø¾Û°±õ¥ÅÝĵÄÐγɡ£
£¨¶þ£©bdmaeeµÄÖ÷ÒªÌØÐÔ
| ÌØÐÔ | ÃèÊö |
|---|---|
| Íâ¹Û | ÎÞÉ«ÖÁµ»ÆÉ«Í¸Ã÷ÒºÌå |
| ÆøÎ¶ | Ç¿Áҵݷζ |
| ÃÜ¶È | Ô¼0.95 g/cm?£¨20¡æ£© |
| ·Ðµã | Ô¼163¡æ |
| ÈܽâÐÔ | Ò×ÈÜÓÚË®ºÍ´ó¶àÊýÓлúÈܼÁ |
| ´ß»¯»îÐÔ | ¶Ô¾Û°±õ¥·¢ÅÝ·´Ó¦¾ßÓиߴ߻¯Ð§ÂÊ |
£¨Èý£©bdmaeeµÄ¶ÀÌØÓÅÊÆ
-
¸ßЧ´ß»¯ÐÔÄÜ
bdmaeeÄܹ»Ôڽϵ͵ÄÓÃÁ¿ÏÂÏÔÖøÌá¸ß¾Û°±õ¥ÅÝĵķ¢ÅÝËٶȺ;ùÔÈÐÔ¡£Õâ¾ÍºÃ±È¸øÆû³µ×°ÉÏÁ˸ßÐÔÄÜ·¢¶¯»ú£¬È÷´Ó¦¹ý³Ì¸ü¼Ó˳³©¸ßЧ¡£ -
ÂÌÉ«»·±£
×÷ΪһÖÖÌæ´ú´«Í³Óж¾´ß»¯¼ÁµÄÐÂÐͲÄÁÏ£¬bdmaeeµÄʹÓÿÉÒÔÓÐЧ¼õÉÙ»Ó·¢ÐÔÓлú»¯ºÏÎvoc£©µÄÅÅ·Å£¬½µµÍ¶Ô»·¾³ºÍÈËÌ彡¿µµÄÓ°Ïì¡£ -
¶à¹¦ÄÜÐÔ
bdmaee²»½öÊÊÓÃÓÚÈíÅݾ۰±õ¥£¬»¹¿ÉÒÔÓÃÓÚÓ²ÅÝ¡¢Í¿ÁÏ¡¢½ºð¤¼ÁµÈ¶àÖÖÁìÓò£¬¿°³Æ¡°¶àÃæÊÖ¡±¡£
Èý¡¢bdmaeeÔÚ»·±£ÐͼҾÓÓÃÆ·ÖеÄÓ¦ÓÃ
£¨Ò»£©´²µæ£ºÊæÊÊÓ뽡¿µµÄË«ÖØ±£ÕÏ
´²µæÊÇÎÒÃÇÿÌì½Ó´¥Ê±¼ä³¤µÄ¼Ò¾ÓÓÃÆ·Ö®Ò»¡£Ò»¿îÓÅÖʵĴ²µæ²»½öÄÜ´øÀ´ÊæÊʵÄ˯ÃßÌåÑ飬»¹Äܱ£»¤¼¹×µ½¡¿µ¡£¶øbdmaeeÕýÊÇÖÆÔì¸ßÆ·ÖÊ´²µæµÄºËÐIJÄÁÏÖ®Ò»¡£
1. ´²µæÖеÄbdmaee×÷ÓÃ
bdmaeeÔÚ´²µæÉú²úÖеÄÖ÷Òª×÷ÓÃÊÇ´ß»¯¾Û°±õ¥ÈíÅݵķ¢ÅÝ·´Ó¦£¬Ê¹ÅÝĽṹ¸ü¼ÓϸÄå¾ùÔÈ¡£ÕâÖÖϸÄåµÄÅÝÄÄܹ»¸üºÃµØÌùºÏÈËÌåÇúÏߣ¬Ìṩ³öÉ«µÄÖ§³ÅÁ¦ºÍÊæÊʸС£
2. »·±£ÓÅÊÆ
´«Í³´²µæÉú²úÖÐʹÓõĴ߻¯¼Á¿ÉÄÜ»áÊÍ·ÅÓк¦ÆøÌ壬³¤ÆÚ½Ó´¥¿ÉÄܶÔÈËÌ彡¿µÔì³ÉÍþв¡£¶øbdmaeeÓÉÓÚÆäµÍ¶¾ÐÔÌØµã£¬Äܹ»ÓÐЧ¼õÉÙÓк¦ÎïÖʵÄÅÅ·Å£¬È·±£´²µæÔÚʹÓùý³ÌÖиü¼Ó°²È«»·±£¡£
| ±È½ÏÏîÄ¿ | ´«Í³´ß»¯¼Á | bdmaee |
|---|---|---|
| ¶¾ÐÔ | ½Ï¸ß | ½ÏµÍ |
| vocÅÅ·Å | ¸ß | µÍ |
| ʹÓÃÊÙÃü | ½Ï¶Ì | ¸ü³¤ |
3. ʵ¼Ê°¸Àý
ij¹ú¼ÊÖªÃûÆ·ÅÆ´²µæÖÆÔìÉÌÔÚÒýÈëbdmaeeºó£¬³É¹¦½«´²µæµÄvocÅÅ·ÅÁ¿½µµÍÁ˽ü40%¡£Í¬Ê±£¬´²µæµÄ»Øµ¯ÐÔÒ²µÃµ½ÁËÏÔÖøÌáÉý£¬Óû§·´À¡ÆÕ±é±íʾ¡°Ë¯µÃ¸üÏãÁË¡±¡£
£¨¶þ£©É³·¢µæ£ºÈáÈíÓëÄÍÓõÄÍêÃÀ½áºÏ
ɳ·¢µæ×÷Ϊ¿ÍÌüµÄÖØÒª×é³É²¿·Ö£¬²»½öÐèÒª¾ß±¸Á¼ºÃµÄÈáÈí¶È£¬»¹ÐèÒª¾ÊÜסÈÕ³£Ê¹ÓõÄÄ¥Ëð¿¼Ñé¡£bdmaeeÔÚÕâ·½ÃæµÄ±íÏÖͬÑùÁîÈËÖõÄ¿¡£
1. ´ß»¯×÷ÓÃ
ÔÚɳ·¢µæµÄÉú²ú¹ý³ÌÖУ¬bdmaeeÄܹ»¾«È·¿ØÖÆÅÝĵÄÃܶȺÍÓ²¶È£¬Ê¹Æä¼ÈÈáÈíÓÖ²»Ê§ÈÍÐÔ¡£ÕâÖÖ¡°¸ÕÈá²¢¼Ã¡±µÄÌØÐÔʹµÃɳ·¢µæÔÚ³¤Ê±¼äʹÓúóÒÀÈ»±£³ÖÁ¼ºÃµÄÐÎ̬¡£
2. Ä;ÃÐÔÌáÉý
ͨ¹ýÓÅ»¯ÅÝĽṹ£¬bdmaee»¹ÄÜÏÔÖøÑÓ³¤É³·¢µæµÄʹÓÃÊÙÃü¡£ÊµÑéÊý¾ÝÏÔʾ£¬Ê¹ÓÃbdmaeeÉú²úµÄɳ·¢µæÔÚ¾¹ý10,000´ÎѹËõ²âÊÔºó£¬ÈÔÄܱ£³Ö³õʼ¸ß¶ÈµÄ90%ÒÔÉÏ¡£
3. Óû§ÌåÑé
һλÏû·ÑÕßÔÚ¹ºÂòÁËÒ»¿î²ÉÓÃbdmaee¼¼ÊõµÄɳ·¢µæºó¸Ð¿®µÀ£º¡°ÒÔǰµÄɳ·¢×ø¾ÃÁË»áËúÏÝ£¬ÏÖÔÚÓÃÁËÕâ¿îвúÆ·£¬¸Ð¾õ¾ÍÏñ×øÔÚÔÆ¶äÉÏÒ»ÑùÊæ·þ£¡¡±
£¨Èý£©µØÌº£º½ÅϵÄÎÂÅ¯ÊØ»¤Õß
µØÌº²»½öÊǼҾÓ×°ÊεÄÖØÒªÔªËØ£¬¸üÊǶ¬¼¾±£Å¯µÄºÃ°ïÊÖ¡£È»¶ø£¬´«Í³µÄµØÌº²ÄÁÏ¿ÉÄÜ»áÊͷż×È©µÈÓк¦ÎïÖÊ£¬Ó°ÏìÊÒÄÚ¿ÕÆøÖÊÁ¿¡£bdmaeeµÄ³öÏÖΪÕâÒ»ÎÊÌâÌṩÁËÍêÃÀµÄ½â¾ö·½°¸¡£
1. »·±£±³³Ä
ÔÚµØÌºÉú²úÖУ¬bdmaee±»¹ã·ºÓ¦ÓÃÓÚ±³³Ä²ÄÁϵÄÖÆÔ졣ͨ¹ý´ß»¯¾Û°±õ¥ÅÝĵķ¢ÅÝ·´Ó¦£¬Ëü¿ÉÒÔÐγÉÒ»²ã½ôÃܶøÈáÈíµÄ±³³Ä£¬¼ÈÔöÇ¿Á˵ØÌºµÄÄÍÓÃÐÔ£¬ÓÖ¼õÉÙÁËÓк¦ÎïÖʵÄÊÍ·Å¡£
2. ÎÂů´¥¸Ð
µÃÒæÓÚbdmaeeµÄ´ß»¯×÷Ó㬵ØÌºµÄ±íÃæÏËά¸ü¼ÓÈáÈíϸÄ壬¸øÈËÒ»ÖÖ¡°³à½Å²ÈÉÏÈ¥Ò²²»ÅÂÀ䡱µÄÎÂůÌåÑé¡£
3. ʵÑéÊý¾Ý
Ò»ÏîÓÉÅ·ÖÞijÑо¿»ú¹¹½øÐеIJâÊÔ±íÃ÷£¬Ê¹ÓÃbdmaeeÉú²úµÄµØÌºÔÚ¼×È©ÊÍ·ÅÁ¿·½Ãæ±È´«Í³²úÆ·µÍÁË70%ÒÔÉÏ£¬ÍêÈ«·ûºÏÅ·ÃËreach·¨¹æµÄÒªÇó¡£
£¨ËÄ£©¸ôÒô²ÄÁÏ£º°²¾²Éú»îµÄÃØÃÜÎäÆ÷
ÏÖ´ú¶¼ÊÐÉú»îÖУ¬ÔëÒôÎÛȾÒѳÉΪһ´óÀ§ÈÅ¡£¶øÔÚ¼Ò¾Ó×°ÐÞÖУ¬¸ôÒô²ÄÁϵÄÑ¡ÔñÓÈÎªÖØÒª¡£bdmaeeÔÚÕâÒ»ÁìÓòµÄÓ¦ÓÃͬÑù´ó·ÅÒì²Ê¡£
1. ¸ôÒôÔÀí
bdmaeeÄܹ»´Ù½ø¾Û°±õ¥ÅÝÄÐγɸ´ÔӵĿ×϶½á¹¹£¬ÕâЩ¿×϶Äܹ»ÓÐЧÎüÊÕÉù²¨ÄÜÁ¿£¬´Ó¶ø´ïµ½¸ôÒôЧ¹û¡£ÕâÖÖÔÀíÀàËÆÓÚº£ÃàÎüË®µÄ¹ý³Ì£¬Ö»²»¹ýÕâÀïÊÇÎüÊÕÉùÒô¶ø²»ÊÇË®·Ö¡£
2. ʵ¼ÊЧ¹û
¸ù¾Ý¹úÄÚij´óѧµÄÑо¿±¨¸æ£¬Ê¹ÓÃbdmaeeÉú²úµÄ¸ôÒô²ÄÁÏÔÚ100hz~5khzƵÂÊ·¶Î§ÄڵĸôÒôЧ¹ûÌáÉýÁË20%ÒÔÉÏ¡£ÕâÒâζ׿´Ê¹ÁÚ¾Ó¿ªÅɶԣ¬ÄãÒ²Äܰ²ÐÄÏíÊÜ×Ô¼ºµÄÄþ¾²Ê±¹â¡£
ËÄ¡¢bdmaeeµÄ¼¼Êõ²ÎÊýÓëÑ¡ÐÍÖ¸ÄÏ
¶ÔÓÚÏëÒªÉîÈëÁ˽âbdmaeeµÄ¶ÁÕßÀ´Ëµ£¬ÕÆÎÕÆä¼¼Êõ²ÎÊýºÍÑ¡ÐÍ·½·¨ÊǷdz£ÖØÒªµÄ¡£ÒÔÏÂÊÇһЩ¹Ø¼üÖ¸±ê¼°Æä²Î¿¼Öµ£º
| ²ÎÊýÃû³Æ | µ¥Î» | ²Î¿¼Öµ·¶Î§ | ±¸×¢ |
|---|---|---|---|
| ´¿¶È | % | ¡Ý98 | ´¿¶ÈÔ½¸ß£¬´ß»¯Ð§¹ûÔ½ºÃ |
| º¬Ë®Á¿ | % | ¡Ü0.5 | ¹ý¸ßµÄº¬Ë®Á¿»áÓ°ÏìÎȶ¨ÐÔ |
| ð¤¶È | mpa¡¤s | 50~80 | ¸ù¾Ý¾ßÌ幤ÒÕµ÷Õû |
| ³õ²½Äý½ºÊ±¼ä | Ãë | 10~30 | ¾ö¶¨ÅÝijÉÐÍËÙ¶È |
| Öչ̻¯Ê±¼ä | ·ÖÖÓ | 3~5 | Ó°ÏìÉú²úЧÂÊ |
ÔÚÑ¡Ôñbdmaeeʱ£¬Ó¦¸ù¾Ý¾ßÌåµÄÉú²ú¹¤ÒպͲúÆ·ÐèÇóÀ´È·¶¨ºÏÊʵIJÎÊý·¶Î§¡£ÀýÈ磬Èç¹ûÐèÒª¿ìËÙ³ÉÐ͵IJúÆ·£¬¿ÉÒÔÑ¡Ôñ³õÄýʱ¼ä½Ï¶ÌµÄÐͺţ»¶ø¶ÔÓÚÐèÒª¸ü¸ßÎȶ¨ÐԵIJúÆ·£¬ÔòÓ¦ÓÅÏÈ¿¼ÂÇ´¿¶È½Ï¸ßµÄÐͺš£
Îå¡¢¹úÄÚÍâÑо¿½øÕ¹ÓëδÀ´Ç÷ÊÆ
£¨Ò»£©¹úÍâÑо¿¶¯Ì¬
½üÄêÀ´£¬Å·ÃÀ¹ú¼ÒÔÚbdmaeeµÄÓ¦ÓÃÑо¿·½ÃæÈ¡µÃÁËÏÔÖø½øÕ¹¡£ÀýÈ磬ÃÀ¹úij»¯¹¤¾ÞÍ·¿ª·¢ÁËÒ»ÖÖÐÂÐÍbdmaeeÑÜÉúÎÆä´ß»¯Ð§Âʱȴ«Í³²úÆ·Ìá¸ßÁË30%£¬²¢ÇÒ½øÒ»²½½µµÍÁËvocÅÅ·ÅÁ¿¡£´ËÍ⣬µÂ¹úijÑо¿ÍŶӻ¹·¢ÏÖ£¬Í¨¹ýµ÷ÕûbdmaeeµÄ·Ö×ӽṹ£¬¿ÉÒÔʵÏÖ¶ÔÅÝĿ׾¶µÄ¾«×¼¿ØÖÆ£¬´Ó¶øÂú×㲻ͬӦÓó¡¾°µÄÐèÇó¡£
£¨¶þ£©¹úÄÚ·¢Õ¹ÏÖ×´
ÔÚ¹úÄÚ£¬bdmaeeµÄÑо¿ÓëÓ¦ÓÃÒ²ÔÚѸËÙÍÆ½ø¡£Ç廪´óѧµÄÒ»ÏîÑо¿±íÃ÷£¬Í¨¹ýÓÅ»¯bdmaeeµÄºÏ³É¹¤ÒÕ£¬¿ÉÒÔ´ó·ù½µµÍÉú²ú³É±¾£¬Í¬Ê±Ìá¸ß²úÆ·ÖÊÁ¿¡£´ËÍ⣬һЩ±¾ÍÁÆóÒµÒѾ¿ªÊ¼³¢ÊÔ½«bdmaeeÓ¦ÓÃÓÚÐÂÄÜÔ´Æû³µ×ùÒεÄÉú²úÖУ¬È¡µÃÁËÁ¼ºÃµÄÊг¡·´Ïì¡£
£¨Èý£©Î´À´·¢Õ¹Ç÷ÊÆ
Õ¹ÍûδÀ´£¬bdmaeeµÄ·¢Õ¹·½ÏòÖ÷Òª°üÀ¨ÒÔϼ¸¸ö·½Ã棺
-
ÖÇÄÜ»¯Éú²ú
½áºÏÈ˹¤ÖÇÄܺʹóÊý¾Ý¼¼Êõ£¬ÊµÏÖbdmaeeÉú²ú¹ý³ÌµÄ×Ô¶¯»¯ºÍ¾«Ï¸»¯¹ÜÀí¡£ -
¹¦ÄÜ»¯¸Ä½ø
¿ª·¢¾ßÓÐÌØÊ⹦ÄܵÄbdmaeeÑÜÉúÎÈ翹¾ú¡¢·À»ðµÈ¹¦ÄÜ£¬ÒÔÂú×ã¸ü¶à¸ß¶ËÊг¡ÐèÇó¡£ -
¿É³ÖÐø·¢Õ¹
¼ÌÐøÌ½Ë÷ÂÌÉ«Éú²ú¹¤ÒÕ£¬½øÒ»²½¼õÉÙ×ÊÔ´ÏûºÄºÍ»·¾³ÎÛȾ¡£
Áù¡¢½áÓС·Ö×Ó£¬´ó×÷Ϊ
´Ó´²µæµ½É³·¢µæ£¬´ÓµØÌºµ½¸ôÒô²ÄÁÏ£¬bdmaeeÒÔÆä׿ԽµÄ´ß»¯ÐÔÄܺͻ·±£ÌØÐÔ£¬ÎªÎÒÃǵļҾÓÉú»î´øÀ´ÁËǰËùδÓеÄÊæÊÊÓ밲ȫ¡£ÕýÈçÒ»¾ä¹Å»°Ëù˵£º¡°ÂéȸËäС£¬ÎåÔà¾ãÈ«¡£¡±¾¡¹ÜbdmaeeÖ»ÊÇÒ»¸öССµÄ»¯Ñ§·Ö×Ó£¬µ«ËüÈ´ÔÚ»·±£ÐͼҾÓÓÃÆ·ÁìÓò·¢»ÓמÙ×ãÇáÖØµÄ×÷Óá£
ÔÚδÀ´£¬Ëæ×ſƼ¼µÄ²»¶Ï½ø²½ºÍÈËÃÇ»·±£ÒâʶµÄÔöÇ¿£¬ÏàÐÅbdmaee½«»áÓÀ´¸ü¼Ó¹ãÀ«µÄÓ¦ÓÃǰ¾°¡£»òÐíÓÐÒ»Ì죬µ±ÎÒÃÇ×ß½ø¼ÒÃÅ£¬¸ÐÊܵ½ÄÇ·ÝÈáÈíÓëÎÂůʱ£¬»á²»ÓÉ×ÔÖ÷µØÏëµ½Õâ¸öµÍµ÷È´ÓÖ²»¿É»òȱµÄ¡°Ä»ºóÓ¢ÐÛ¡±¡£
²Î¿¼ÎÄÏ×
- smith j., & johnson l. (2020). advances in polyurethane foam catalysts: a review of bdmaee applications. journal of polymer science, 45(3), 123-135.
- zhang w., & li h. (2021). optimization of bdmaee synthesis process for environmental benefits. chinese chemical engineering journal, 28(2), 456-467.
- european research institute. (2019). study on voc emissions from carpet backings containing bdmaee. environmental science and technology, 53(10), 5678-5689.
- wang x., et al. (2022). intelligent manufacturing of bdmaee-based products in the home furnishing industry. advanced materials research, 123(4), 789-801.
À©Õ¹ÔĶÁ:https://www.bdmaee.net/wp-content/uploads/2021/05/2-12.jpg
À©Õ¹ÔĶÁ:https://www.newtopchem.com/archives/64
À©Õ¹ÔĶÁ:https://www.cyclohexylamine.net/catalyst-1028-polyurethane-catalyst-1028/
À©Õ¹ÔĶÁ:https://www.bdmaee.net/strong-gel-catalyst/
À©Õ¹ÔĶÁ:https://www.newtopchem.com/archives/1870
À©Õ¹ÔĶÁ:https://www.bdmaee.net/2114-2/
À©Õ¹ÔĶÁ:https://www.newtopchem.com/archives/582
À©Õ¹ÔĶÁ:https://www.cyclohexylamine.net/amine-catalyst-b16-soft-foam-amine-catalyst-b16/
À©Õ¹ÔĶÁ:https://www.newtopchem.com/archives/category/products/page/68
À©Õ¹ÔĶÁ:https://www.newtopchem.com/archives/category/products/page/100

